US2002161068A1PendingUtilityA1

Polymerizable composition, cured material thereof and method for manufacturing the same

37
Priority: Apr 28, 2000Filed: Apr 24, 2001Published: Oct 31, 2002
Est. expiryApr 28, 2020(expired)· nominal 20-yr term from priority
Inventors:Takeo WatanabeTakashi SatoHirotaka Tagoshi
C08G 59/145C08G 59/24C08G 65/18C08L 71/02G03F 7/038C08G 59/68C08G 2650/16C08G 65/22C08G 59/00
37
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Claims

Abstract

The present invention provides a polymerizable composition comprising (a) an alicyclic alkane having at least one oxetanyl group and at least one epoxy group within the same molecule and (b) a compound capable of initiating cationic polymerization under irradiation of an active energy ray and/or under heat exhibits high activity in the photo- or heat-cationic ring-opening polymerization exhibiting high activity, e.g., rapid polymerizability, rapid curability, under irradiation of an active energy ray and/or under heat. The present invention also provides a polymerization product thereof.

Claims

exact text as granted — not AI-modified
1 . A polymerizable composition comprising (a) an alicyclic alkane having at least one oxetanyl group and at least one epoxy group within the same molecule and (b) a compound capable of initiating cationic polymerization under irradiation of an active energy ray and/or under heat.  
     
     
         2 . The polymerizable composition according to  claim 1 , wherein said compound (b) is a compound capable of generating an acid under irradiation of an active energy ray and/or under heat, and thereby initiating the cationic polymerization.  
     
     
         3 . The polymerizable composition according to  claim 2 , wherein said compound (b) is one or more compound selected from the group consisting of sulfonium salts, iodonium salts and diazonium salts.  
     
     
         4 . The polymerizable composition according to  claim 1 , wherein said alicyclic alkane (a) is a compound represented by formula (1):  
       
         
           
           
               
               
           
         
         wherein R represents a hydrogen atom or a methyl group, m represents an integer of 0 to 2, and n is 2 when m is 0 and otherwise n is 1.  
       
     
     
         5 . The polymerizable composition according to  claim 4 , wherein said alicyclic alkane (a) is 7,8-epoxy-2-oxa-5-methylspiro[3.5]nonane.  
     
     
         6 . The polymerizable composition according to  claim 1 , which comprises a compound (c) that can be cationic polymerized by said compound (b), wherein said compound (c) is other than said compound (a).  
     
     
         7 . The polymerizable composition according to  claim 6 , wherein at least one of said compounds (c) is a compound (c-1) having one or more epoxy group that can be cationic polymerized by said compound (b).  
     
     
         8 . The polymerizable composition according to  claim 6 , wherein at least one of said compounds (c) is a compound (c-2) having one or more oxetanyl group that can be cationic polymerized by said compound (b).  
     
     
         9 . The polymerizable composition according to  claim 1 , wherein said alicyclic alkane (a) is blended in an amount of 5 to 100 mass % based on the total mass of the polymerizable composition minus the mass of said compound (b).  
     
     
         10 . The polymerizable composition according to  claim 7 , wherein said compound (c-1) is blended in an amount of 5 to 95 mass % based on the total mass of the polymerizable composition minus the mass of said compound (b).  
     
     
         11 . The polymerizable composition according to  claim 8 , wherein said compound (c-2) is blended in an amount of 5 to 95 mass % based on the total mass of the polymerizable composition minus the mass of said compound (b).  
     
     
         12 . A cured material obtained by polymerizing a polymerizable composition comprising (a) an alicyclic alkane having at least one oxetanyl group and at least one epoxy group within the molecule and (b) a compound capable of initiating cationic polymerization under irradiation of an active energy ray and/or under heat.  
     
     
         13 . The cured material according to  claim 12 , wherein said compound (b) is a compound capable of generating an acid under irradiation of an active energy ray and/or under heat, and thereby initiating the cationic polymerization.  
     
     
         14 . The cured material according to  claim 13 , wherein said compound (b) is one or more compound selected from the group consisting of sulfonium salts, iodonium salts and diazonium salts.  
     
     
         15 . The cured material according to  claim 12 , wherein said alicyclic alkane (a) is a compound represented by formula (1):  
       
         
           
           
               
               
           
         
         wherein R represents a hydrogen atom or a methyl group, m represents an integer of 0 to 2, and n is 2 when m is 0 and otherwise n is 1.  
       
     
     
         16 . The cured material according to  claim 15 , wherein said alicyclic alkane (a) is 7,8-epoxy-2-oxa-5-methylspiro[3.5]nonane.  
     
     
         17 . The cured material according to  claim 16 , which comprises a compound (c) that can be cationic polymerized by said compound (b), wherein said compound (c) is other than said compound (a).  
     
     
         18 . The cured material according to  claim 17 , wherein at least one of said compound (c) is a compound (c-1) having one or more epoxy group that can be cationic polymerized by said compound (b).  
     
     
         19 . The cured material according to  claim 17 , wherein at least one of said compound (c) is a compound (c-2) having one or more oxetanyl group that can be cationic polymerized by said compound (b).  
     
     
         20 . The cured material according to  claim 12 , wherein said alicyclic alkane (a) is blended in an amount of 5 to 100 mass% based on the total mass of the polymerizable composition minus the mass of said compound (b).  
     
     
         21 . The cured material according to  claim 18 , wherein said compound (c-1) is blended in an amount of 5 to 95 mass % based on the total mass of the polymerizable composition minus the mass of said compound (b).  
     
     
         22 . The cured material according to  claim 19 , wherein said compound (c-2) is blended in an amount of 5 to 95 mass % based on the total mass of the polymerizable composition minus the mass of said compound (b).  
     
     
         23 . A method for manufacturing a cured material from a polymerizable composition comprising (a) an alicyclic alkane having at least one oxetanyl group and at least one epoxy group within the same molecule and (b) a compound capable of initiating cationic polymerization under irradiation of an active energy ray and/or under heat, said method comprising initiating the polymerization under irradiation of an active energy ray and/or under heat.  
     
     
         24 . A method for manufacturing the cured material according to any of  claims 12  to  22 , comprising initiating the polymerization under irradiation of an active energy ray.  
     
     
         25 . The method according to  claim 24 , wherein said active ray is ultraviolet light.  
     
     
         26 . A method for manufacturing the cured material according to any of  claims 12  to  22 , comprising initiating the polymerization under heat.  
     
     
         27 . A method for manufacturing the cured material according to any of  claims 12  to  22 , comprising initiating the polymerization under irradiation of an active energy ray and then heating the composition.  
     
     
         28 . The method according to  claim 27 , wherein said active ray is ultraviolet light.

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